47634871 has 4 divisors (see below), whose sum is σ = 47667672. Its totient is φ = 47602072.

The previous prime is 47634869. The next prime is 47634893. The reversal of 47634871 is 17843674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17843674 = 2 ⋅8921837.

It is a cyclic number.

It is not a de Polignac number, because 47634871 - 2¹ = 47634869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47634071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14116 + ... + 17161.

It is an arithmetic number, because the mean of its divisors is an integer number (11916918).

Almost surely, 2^47634871 is an apocalyptic number.

47634871 is a deficient number, since it is larger than the sum of its proper divisors (32801).

47634871 is a wasteful number, since it uses less digits than its factorization.

47634871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32800.

The product of its digits is 112896, while the sum is 40.

The square root of 47634871 is about 6901.8020110693. The cubic root of 47634871 is about 362.5002673006.

The spelling of 47634871 in words is "forty-seven million, six hundred thirty-four thousand, eight hundred seventy-one".